And, while showrunners, Matt and Ross Duffer, have previously stated that they will acknowledge Barb's death, the 41-year-old American said her disappearance will have a profound affect on her best friend.

He explained: "The question and the feelings that Nancy, played by Natalia Dyer, has that no one ever cares about her friend Barb, are very much present in the beginning of the season."

But, perhaps the most interesting spoiler is that Will's mum Joyce (played by Winona Ryder), will have a new boyfriend, who will not be welcomed by David's character.

NETFLIX

Barb's disappearance will have a profound affect on Nancy in season two

NETFLIX

Winona's character Joyce will have a new boyfriend when the show returns

NETFLIX

Millie Bobby Brown is said to be returning as star of the show Eleven

"Sean Astin," he noted. "He's Winona's new boyfriend – much to the chagrin to the Chief of Police."

She was last seen sacrificing herself in the finale to kill the Demogorgon, but Hopper was last spotted leaving her a box of Eggos – her favourite snack – in the woods, suggesting she was very much alive.